Clean Slate is a rehabilitation program for gang members that want to reinsert themselves into the community. Members join voluntarily and undergo laser treatments to eliminate their gang tattoos, among other things.
When Detective Curtis Lemansky ended up shooting Chaco Orozco by mistake, injuring him, he started exploring his past to see if there was a way to use him as scapegoat. However, he found out that Chaco had joined the Clean Slate program and had been clean for some time now.
After Vic Mackey used teenage gang member Felipe Gomez to go undercover for a drug bust, he enrolled him in the Clean Slate program so he could get rid of his tattoos and start a new life. As Felipe left, he thanked Vic for the help.